Home
Compare Metals


Chemical Properties of Terbium and Fermium


Chemical Properties of Fermium and Terbium


Chemical Properties

Chemical Formula
Tb   
Fm   

Isotopes
  
  

Known Isotopes
26   
13
18   
21

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.30   
32

Allred Rochow Electronegativity
1.10   
30
1.20   
27

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.70   
22

Ionization Energies
  
  

1st Energy Level
603.40 kJ/mol   
99+
627.00 kJ/mol   
99+

2nd Energy Level
1,174.80 kJ/mol   
99+
1,225.00 kJ/mol   
99+

3rd Energy Level
2,417.00 kJ/mol   
99+
2,363.00 kJ/mol   
99+

4th Energy Level
4,203.00 kJ/mol   
31
3,792.00 kJ/mol   
99+

Electrochemical Equivalent
1.98 g/amp-hr   
31
3.20 g/amp-hr   
13

Electron Work Function
3.00 eV   
36
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   

Atomic >>
<< Physical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series